What are petrochemicals? from Chemistry Hydrocarbons

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 Multiple Choice QuestionsShort Answer Type

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81.

What are petrochemicals?


All those chemical compounds which are derived directly or indirectly from petroleum or natural gas are called petrochemicals. 

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82.

Why is petroleum called liquid gold?

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83.

What does L.P.G. stand for?

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84.

What are gasoline additives?

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85.

What are the main constituents of LPG?

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86. What are alkanes and cycloalkanes ?

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87. Discuss the structures of alkanes.
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88.

In the alkane H3C - CH2 -C(CH3)2 -CH2 - CH(CH3)2, identify 1°, 2°, 3° carbon atoms and give the H atoms bounded to each one of these.

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89.

Write structures of different chain isomers of butane  (C4H10).

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90. In how many ways, you can join five carbon atoms and twelve hydrogen atoms of C5H12 ?
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